Milonga del Angel

Recording by Astor Piazzolla.

Recording identifiers

ISRC
CAHQJ1991760
CopyrightID (CopyrightChains transaction hash)
0x0ccd05fc7281931feb9b22f897ad43c9aaacd7b4de78e3d041a9f87c8a4f8e55
Copyright registration time
2026-07-07T05:53:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e6d831c183c0ae80ea66190a6a2e5243eacf31240e1394e284875f94e2a8e29c

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.